
<template>
  <view class="goods-item">
    <!-- 商品左侧图片区域 -->
    <view class="goods-item-left">
	<radio checked="goods.goods_state" color="#C00000" v-if="showRadio" @radio-change="radioChangeHandler" @click="radioClickHandler"></radio> 
      <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
    </view>
    <!-- 商品右侧信息区域 -->
    <view class="goods-item-right">
      <!-- 商品标题 -->
      <view class="goods-name">{{goods.goods_name}}</view>
      <view class="goods-info-box">
        <!-- 商品价格 -->
        <view class="goods-price">￥{{goods.goods_price | tofixed}}</view>
       <uni-number-box :min="1" :value="goods.goods_count" @change="numChangeHandler" v-if="showNum">  </uni-number-box>
	  </view>
    </view>
  </view>
</template>

<script>
	
  export default {
	 
    // 定义 props 属性，用来接收外界传递到当前组件的数据
    props: {
      // 商品的信息对象
      goods: {
         type: Object,
         defaul: {},
      },
	  showRadio: {
		  type: Boolean,
		  defaul: false
	  },
	  showNum:{
		  type: Boolean,
		  defaul: false,
	  }
    },
    data() {
      return {
        // 默认的空图片
        defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
      }
    },
	methods:{
		  radioClickHandler() {
		    // 通过 this.$emit() 触发外界通过 @ 绑定的 radio-change 事件，
		    // 同时把商品的 Id 和 勾选状态 作为参数传递给 radio-change 事件处理函数
		    this.$emit('radio-change', {
		      // 商品的 Id
		      goods_id: this.goods.goods_id,
		      // 商品最新的勾选状态
		      goods_state: !this.goods.goods_state
		    })
		  },
		numChangeHandler(val){
			this.$emit('num-change',{
				 goods_id: this.goods.goods_id,
				      // 商品的最新数量
				 goods_count: +val
			})
		}
	},
	
	filters:{
		tofixed(num){
			return Number(num).toFixed(2)
		}
	},
	
	
  }
</script>

<style lang="scss">
  .goods-item {
    display: flex;
    padding: 10px 5px;
    border-bottom: 1px solid #f0f0f0;

    .goods-item-left {
      margin-right: 5px;
	  display: flex;
	  justify-content: center;
	  align-items: center;

      .goods-pic {
        width: 100px;
        height: 100px;
        display: block;
      }
    }

    .goods-item-right {
      display: flex;
      flex-direction: column;
      justify-content: space-between;

      .goods-name {
        font-size: 13px;
      }

      .goods-price {
        font-size: 16px;
        color: #c00000;
      }
    }
  }
</style>
